Papers › Oryx MLLM: On-Demand Spatial-Temporal Understanding at Arbitrary Resolution

Oryx MLLM: On-Demand Spatial-Temporal Understanding at Arbitrary Resolution

19 Sep 2024arXiv:2409.12961archive 2025-07-28

Zuyan Liu, Yuhao Dong, Ziwei Liu, Winston Hu, Jiwen Lu, Yongming Rao

Visual data comes in various forms, ranging from small icons of just a few pixels to long videos spanning hours. Existing multi-modal LLMs usually standardize these diverse visual inputs to a fixed resolution for visual encoders and yield similar numbers of tokens for LLMs. This approach is non-optimal for multimodal understanding and inefficient for processing inputs with long and short visual contents. To solve the problem, we propose Oryx, a unified multimodal architecture for the spatial-temporal understanding of images, videos, and multi-view 3D scenes. Oryx offers an on-demand solution to seamlessly and efficiently process visual inputs with arbitrary spatial sizes and temporal lengths through two core innovations: 1) a pre-trained OryxViT model that can encode images at any resolution into LLM-friendly visual representations; 2) a dynamic compressor module that supports 1x to 16x compression on visual tokens by request. These design features enable Oryx to accommodate extremely long visual contexts, such as videos, with lower resolution and high compression while maintaining high recognition precision for tasks like document understanding with native resolution and no compression. Beyond the architectural improvements, enhanced data curation and specialized training on long-context retrieval and spatial-aware data help Oryx achieve strong capabilities in image, video, and 3D multimodal understanding simultaneously. Our work is open-sourced at https://github.com/Oryx-mllm/Oryx.

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pad_image Oryx-mllm/Oryx/oryx/mm_utils.py official repository ran MIT (permissive) · 1aa848dda4bdce79 · report
resize_images Oryx-mllm/Oryx/oryx/mm_utils.py official repository ran MIT (permissive) · 501a6aa826b9d7a5 · report
resize_video Oryx-mllm/Oryx/oryx/mm_utils.py official repository ran MIT (permissive) · 5ba000d6ad89a790 · report
build_vision_tower Oryx-mllm/Oryx/oryx/model/multimodal_encoder/builder.py official repository unverified MIT (permissive) · 94ad19a04ab198ad · report
pretty_print_semaphore Oryx-mllm/Oryx/oryx/utils.py official repository unverified MIT (permissive) · 37899f22fb191b37 · report
violates_moderation Oryx-mllm/Oryx/oryx/utils.py official repository unverified MIT (permissive) · f9939a84b9a65279 · report

Tasks

Video Question Answeringdocument understanding

Results from the paper archive 2025-07-28

TaskDatasetModelMetricValueRank at snapshotLeaderboardReport
Video Question Answering MVBench Oryx(34B) Avg. 64.7 #5 of 22 Archive leaderboard report
Video Question Answering NExT-QA Oryx-1.5(7B) Accuracy 81.8 #9 of 47 Archive leaderboard report
Video Question Answering Perception Test Oyrx (34B) Accuracy (Top-1) 71.4 #1 of 6 Archive leaderboard report

Ranks are positions in the archive's leaderboards as they stood at the 2025-07-28 snapshot. Results published since then are not among these rows, so a rank here is not a current standing.

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